I learned, belatedly, that last October 17 was Spreadsheet Day, marking the 35th anniversary of VisiCalc, the Apple II program that started it all. This moved me to republish a long piece I wrote 30 ...

My first vibe-coded app turned out to be more useful than I had envisioned.

An old rule of thumb for building a startup is to find a group of professionals who use spreadsheets to do their work and then build an app to replace their spreadsheet usage. Presto, you have a ...

With a little time, typing and easy-to-use software, you can quickly see your financial picture much more thoroughly and better plan for the future. By J. D. Biersdorfer It’s January and you’ve gone ...